0402DC-4N9XJRW

Fixed Inductors Overview

The Coilcraft 0402DC-4N9XJRW is an unshielded wirewound RF inductor designed for surface-mount applications. It features a ceramic core and operates within a temperature range of -40°C to +125°C. Key electrical parameters include an inductance of 4.9 nH with a tolerance of 2%. The component supports a maximum DC current of 1.85 A and has a maximum DC resistance of 48 mOhms. It achieves a minimum Q factor of 68 at specified frequencies and exhibits a self-resonant frequency of approximately 3.86 GHz. The physical dimensions conform to the standard 0402 (1005 metric) package, measuring 1.11 mm in length, 0.66 mm in width, and 0.65 mm in height.

Fixed Inductors Feature Summary

• Unshielded wirewound construction utilizing a ceramic core for high-frequency stability
• Optimized for super low loss performance in high-frequency circuits
• Compliant with AEC-Q200 automotive qualification standards

Fixed Inductors Applications

• Automotive electronics systems
• Mobile device RF circuits
• High-frequency signal processing

Fixed Inductors Procurement Notes

Verify the specific ordering suffix JRW against official Coilcraft documentation to confirm packaging configuration and terminal finish specifications. Ensure that the selected variant aligns precisely with the required inductance tolerance and current ratings for the target application environment. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and availability status before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when ultra-low profile dimensions are critical for dense PCB layouts requiring 0402 footprint compatibility. The high Q factor makes it suitable for applications demanding minimal signal attenuation in RF paths. Consider the unshielded design implications regarding electromagnetic interference coupling in closely spaced circuit arrangements. Verify thermal management requirements against the specified operating temperature range and DC current limits.

Fixed Inductors Part Context

This component belongs to the Coilcraft 0402DC series, which specializes in providing industry-leading Q factors within the compact 0402 size envelope. The series is engineered to deliver superior performance for super low loss applications in high-frequency circuits. It represents a solution for designers needing precise inductance values in constrained space environments while maintaining robust electrical characteristics.

Fixed Inductors Replacement Considerations

Direct substitutes within the same series include 0402DC-4N0XJRW and 0402DC-2N1XJRW, though these possess different inductance values. Verify functional equivalence by comparing all electrical parameters and physical dimensions against the original specification sheet.